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Lomonosov crater

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This image, taken by the advanced Moon Imaging Experiment (AMIE) on board ESA’s SMART-1 spacecraft, shows crater Lomonosov on the Moon’s far side.

AMIE obtained the image on 30 January 2006 from a distance of about 2100 kilometres from the surface, with a ground resolution of 190 metres per pixel. The imaged area is centred at a latitude of 27.8º North and a longitude of 98.6º East.

Crater Lomonosov is a nice example for a large crater (92 kilometres in diameter) which was filled by lava after the impact, thus exhibiting a flat floor. The terraced walls indicate 'slumping', that is sliding of the rocks downwards due to gravity after the end of the impact. The small craters inside Lomonosov are the result of impacts into this lava floor which happened after the formation of Lomonosov.